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PORTLAND, Maine (NEWS CENTER) -- The coldest air in two years is settling into Maine and New Hampshire, with temperatures struggling to get above zero degrees.

Wednesday morning, the cold was already causing problems for people heading out to work or school, and there's still at least two more days of this weather forecasted.

AAA was fielding about 150 calls every half hourWednesday morning in their Northern New England division for cars that wouldn't start.

AAA spokesperson, Pat Moody, says at zero degrees, a car battery will lose 60% of it's strength, so they expect to answer a lot more calls over the next few days with the cold weather forecasted.

People like Joel Bolton were late for work, dealing with car troubles. AAA says if your battery is older than 3 years old, it's usually a good to get it checked out before a cold snap like this.

It wasn't just cars slowing down in the cold; people at the bus stop were bundled up while waiting outside.

Some basic tips for protecting yourself in this weather, dress in layers, don't wear tight clothing, protect your lips with chapstick, and stay hydrated.

Also a reminder: ifit's too cold for you, it's too cold for your pet.